Kronenberg is a German town in the Rhine Province. It is six miles southwest of Elberfeld, to which it is connected by light railway. Elberfeld is a district of the German town Wuppertal; it was an independent town until 1929. ...

During the early 20th century, it was a centre for industry, with many steel and iron works. Its population in 1905 was around 12,000. (19th century - 20th century - 21st century - more centuries) Decades: 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s As a means of recording the passage of time, the 20th century was that century which lasted from 1901–2000 in the sense of the Gregorian calendar (1900–1999 in the... Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. ... General Name, Symbol, Number iron, Fe, 26 Chemical series transition metals Group, Period, Block 8, 4, d Appearance lustrous metallic with a grayish tinge Atomic mass 55. ...